Vehicle grille insert



FIG. 1 is a perspective view of the vehicle grille insert;

FIG. 2 is a front elevation view thereof; and,

FIG. 3 is a left side elevation view thereof, of which the right side elevation view is a mirror image thereto.

The broken lines shown in the drawings illustrate portions of the vehicle grille insert that form no part of the claimed design. 

CLAIM The ornamental design for a vehicle grille insert, as shown and described. 